Not sure I'm using the best title for this, but it's the best I can think of. For those of us fairly new to XCode, and who've been overly pampered in Visual Studio, I really really miss the feature where in Visual Studio I could decorate my code elements (properties, functions, classes, whatever) with XML that would show up in intellisense so that when a user is trying to use my class library in their code, they could type the name of one of my methods in their code window, and the dropdown would not only include the parameter info (which XCode does), but it would also include whatever other supplementary information I've decorated the method with in order to convey summary descriptions, or additional details, that may not be apparent from the method/property/delegate/etc name alone.
Is this even possible in XCode? I'm assuming not, as I've yet to see it done.